Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5FBI callsign genealogy
Currently held by Maxwell, Robert F
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KC5FBI's current licensee, walking backwards.
- Maxwell, Robert FSCgranted 2021-06-07cancelled 2021-06-25
Successor callsigns
Callsigns held now by people who previously held KC5FBI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5FBI, oldest first.
- MAXWELL, ROBERT F AR2003-10-24 → cancelled 2016-01-19
- Maxwell, Robert F SC2021-06-25 active